The story behind how it unfolded shows how American oil executives’ usual cordial relationships were pushed to the breaking ...

Scott Sheffield, the founder of Pioneer Natural Resources and one of ExxonMobil’s largest individual shareholders, has ...

The Score is a weekly review of the biggest stock moves and the news that drove them. Here are the six in focus this week: ...

Chevron Corp. has prevailed in a 20-month fight to buy Hess Corp. for $53 billion, overcoming a challenge by arch rival Exxon ...